On this address: 309 rue Joseph Vallot
74400 Chamonix mont blanc, here is a real estate agence Clip Immobilier
https://www.clip-immobilier.com/

Alp Immo (address: 233 Avenue Michel Croz, 74400 Chamonix-Mont-Blanc) is now a bar / restaurant called "𝒟𝑒𝓁𝓅𝒽’𝓈"

https://maps.app.goo.gl/wfHQs4h2tsxCMzo77

L'Aup

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/234739.jpg

Chair lift will have been replaced in December 2025
https://www.lesgets.com/en/rosta/

node/1217787473/history

is La Troïka (shop=bakery) closed all the time? Then almost certainly it should not be tagged as shop=bakery And if it is not always closed then opening_hours=closed is wrong

There is a barrier. Cannot enter the Camping Bellevue here. The entry is from the other side.

LA CHEVRERIE DES ARAVIS Fromages de Chèvres et Glaces aux Myrtilles et Framboises.

On this address : 247 Av. de l'Aiguille du Midi, 74400 Chamonix-Mont-Blanc there is a Café Marie Blachère :

https://maps.app.goo.gl/mCsXge99kEwn8yj67

Unable to answer "What height limit is indicated here?" – Railway-Road Crossing – node/275437626 via StreetComplete 61.3:

Il n'y a pas de limite de hauteur, pour ce passage à niveau